Create an analytics.txt file with the following information:

GooGhywoiu9839t543j0s7543uw1 - pls add {ok2aassociation@gmail.com} to GA account {UA-45327702-15 } with ‘Manage Users and Edit’ permissions - date {1-12-2021}.
Add the analytics.txt file to the top-level domain, e.g., example.com/analytics.txt



https://www.logicsolutions.com/regain-access-google-analytics-account/

how to contact goog

https://support.google.com/analytics/gethelp?authuser=0&visit_id=1610489584014-8665521437284277109&rd=1